/* 自定义样式 */
body {
    background-color: #f8f9fa;
}

.card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: none;
    margin-bottom: 20px;
}

.card-header {
    font-weight: bold;
}

.question-container {
    background-color: #fff;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    border-left: 4px solid #0d6efd;
}

.option-label {
    cursor: pointer;
    display: block;
    padding: 8px 15px;
    border-radius: 4px;
    margin-bottom: 5px;
    transition: all 0.2s;
}

.option-label:hover {
    background-color: #f0f7ff;
}

.correct-answer {
    background-color: #d4edda !important;
    border-color: #c3e6cb;
}

.wrong-answer {
    background-color: #f8d7da !important;
    border-color: #f5c6cb;
}

.score-display {
    font-size: 24px;
    font-weight: bold;
    color: #0d6efd;
    text-align: center;
    padding: 15px;
    background-color: #e9f2ff;
    border-radius: 8px;
    margin-bottom: 20px;
}

.feedback-item {
    padding: 10px;
    border-left: 3px solid #6c757d;
    margin-bottom: 10px;
}

.fill-blank {
    border-bottom: 1px solid #000;
    min-width: 80px;
    display: inline-block;
    text-align: center;
}

input.fill-blank-input {
    border: none;
    border-bottom: 1px solid #007bff;
    outline: none;
    width: 100px;
    text-align: center;
    margin: 0 5px;
}

.application-question textarea {
    width: 100%;
    min-height: 100px;
    margin-top: 10px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
}